* Julia Lawall <julia.lawall@xxxxxxx> [190219 17:33]:
> On Tue, 19 Feb 2019, Tony Lindgren wrote:
> > In general, if the device tree node is never used afterwards,
> > should this be just:
> >
> > r = of_platform_populate(node, NULL, NULL, &pdev->dev);
> > of_node_put(dev_node);
> > if (r) {
> > ...
> > }
> >
> > If so, Julia might have a Coccinelle recpipe for it?
>
> Unfortunately this is not really an ideal case for Coccinelle, because
> node is the result of calling a local function and Coccinelle doesn't by
> default do any interprocedural analysis. It is possible to write a rule
> that explicitly looks for one function that returns a device node and then
> the pattern of its usage in the caller, though.
OK thanks for the information.
Regards,
Tony
